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China, Chinese Prepaid Valve Control Water Meter with AMR Application1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Meter for Liquid GasWater MeterMulti Jet Water MeterValve Control
NINGBO WATER METER(GROUP) CO., LTD.
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Product Description NWM MJ-VC Wireless Valve Control Water Meteris the water meter combined with integrated chip technology with optical sensors as well as communication module, realizing function of wireless remote data reading and remote valve control; It is a terminal by itself which does not need the help of intermediary transmission instruments such as concentrator,data collector. It communicates with the network directly, it complies with ISO 4064:2014 standard, approved with BA Z-14-1131 ,it is used to measure the total amount of portable water passing through the pipeline and is a perfect choice for industrial or domestic water meter application in modern smart water management. Technical Data A. Dimensions and Weights Size Dn15 Dn20L (mm)165190L1 (mm)224254D (mm)G3/4BG1Bd (mm)R1/2R3/4H (mm)150150(mm)103.3103.3Weight(Kg)1.691.77Weight added with tail piece(kg)0.180.28 MJ-VCFlow Relative Parameters SizemmDn15Dn20RQ3/Q180Q4m3/h3.1255Q3m3/h2.54Q2l/h5080Q1l/h31.350Ks (Start flow rate)l/h<15<20Max. Readingm39999.9999Remote Max.Readingm39999.99Min. ReadingLiter0.1Remote Min. ReadingLiter10LMax. PressureMAPMAP16Max. TemperatureoC0.1<T< 50Pressure Loss<0.063MpaInstallation positionHorizontalAccuracy Curve In the lower zone (Q1≤Q≤Q2), maximum permission error is ±5%In the upper zone (Q2≤Q≤Q4): maximum permission error is ±2%( T≤30?C)maximum permission error is ±3% (30?C <T≤50?C)Electrical Parameters Description ParametersWorking Voltage3.0~3.6VData Acquisition ModePhotoelectric direct readingElectronic resolution10LCommunication MethodLORA/CDMA/GPRSWorking FrequencyTX:410-414.975MHz;RX:420-424.975MHzModulation MethodOPSK/OQPSKTransmit Power24+6/-1dB @conduction typical valueRX Sensitivity≤-106dBm @conduction typical valueCommunication DistanceUnder Moving signal coverageSleep Current≤15μAWaterproofing ClassIP68MJ-VCFunctions DescriptionAutomatic data uploadingRe-uploading dataTimed peak uploading shiftingRemote valve controlSpecial communication frequency regulationIntensive data collection31 group of daily data record18 group of monthly data recordLow voltage alarmAbnormal photoelectric alarmValve fault alarmAbnormal uploading alarm
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